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Energy renovation grants in Spain

Discover all the subsidies, loans and tax credits available in Spain to renovate your home.

11 programs documentedMIVAU / IDAE — Ministerio de Vivienda y Agenda Urbana / IDAEReference updated on May 20, 2026

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The calculator applies all Spain schemes below to your personal situation.

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PRTR — Programme 3: building-level rehabilitation

Active
MIVAU / Comunidades AutónomasGrant

Eligible works

External wall insulationRoof insulationWindow replacementAir-to-water heat pumpBiomass boilerSolar PVSolar thermalMVHR ventilation+1

Amounts

  • €6,300 · 30-45% primary non-renewable energy savings
  • €11,800 · 45-60%
  • €18,800 · >60%
Conditions: ≥30% primary non-renewable energy reduction. Individual owners, owner associations, tenants with authorisation. Combined cap up to €21,400/dwelling.
2026 changes: RD 326/2026 extends execution and justification deadlines for programmes 1, 2, 3 and 6 of RD 853/2021.

PRTR — Programme 4: energy improvement of individual dwellings

Active
MIVAU / Comunidades AutónomasGrant

Eligible works

External wall insulationWindow replacementAir-to-water heat pumpBiomass boilerSolar thermalMVHR ventilation

Amounts

  • 40% · cap €3,000 · 40% of cost, max €3,000/dwelling
Conditions: Heating/cooling demand reduction ≥7% OR primary energy ≥30%.

Self-consumption incentive programme (RD 477/2021)

Exhausted
IDAE / Comunidades AutónomasGrant

Eligible works

Solar PVBattery storageSolar thermalSolar water heaterAir-to-water heat pump

Amounts

  • €600/kWp · Residential — €300-600/kWp (~30-40% of cost)
Conditions: Funding largely exhausted in most CC.AA. by 19 May 2026. Execution deadline: 30 Jun 2026 (2025 applications). Justification: 31 Dec 2026.

IRPF Deduction — Energy efficiency works

Active
Agencia Tributaria (AEAT)Tax deduction

Eligible works

External wall insulationRoof insulationWindow replacementAir-to-water heat pumpSolar thermalComprehensive renovation

Amounts

  • 20% · cap €5,000 · 20% — heating/cooling demand reduction ≥7%
  • 40% · cap €7,500 · 40% — primary non-renewable energy reduction ≥30% or class A/B
  • 60% · cap €5,000 · 60% — full building renovation (€5,000/year, total €15,000 over 4 years)
Conditions: EPC required before AND after works (max 2 years gap). Post-work EPC before 1 Jan 2026 (20/40%); before 1 Jan 2028 (60%, works until 31 Dec 2027). Extended by RDL 7/2026.
2026 changes: 20%/40% deductions extended to 31 Dec 2026; 60% to 31 Dec 2027.

IRPF Deduction — PV self-consumption (RDL 7/2026)

Active
Agencia Tributaria (AEAT)Tax deduction

Eligible works

Solar PVBattery storage

Amounts

  • 10% · cap €5,000 · 10% — individual dwelling
  • 20% · cap €5,000 · 20% — primarily residential building
Conditions: PV self-consumption installations completed in 2026. Max annual base €5,000. Not combinable with 20/40/60% deductions on the same installation.

Municipal IBI / ICIO tax rebates

Active
Ayuntamientos (municipalités)Tax deduction

Eligible works

Solar PVSolar thermalAir-to-water heat pump

Amounts

  • 50% · IBI — up to 50% of cuota íntegra (varies by ordinance)
  • 95% · ICIO — up to 95% on works including solar energy
Conditions: Optional by each municipality. ~67% of cities offer IBI rebate. Typical IBI duration 3-5 years (up to 30). Verify each municipal ordinance.

Madrid — Plan Rehabilita 2026

Active
Ayuntamiento de MadridGrant

Eligible works

External wall insulationRoof insulationWindow replacementAir-to-water heat pumpComprehensive renovation

Amounts

  • 40% · 40-90% of cost (depending on zone, units)
  • €12,000 · Technical fees per building
Conditions: Building built before 1998. Building Evaluation Report (IEE) required. Call June 2026.

Cataluña — PREE 5000 (energy rehabilitation in small municipalities)

Active
ICAEN — Institut Català d'EnergiaGrant

Eligible works

External wall insulationRoof insulationWindow replacementAir-to-water heat pumpBiomass boilerSolar thermalComprehensive renovation

Amounts

  • 50% · Up to 50% thermal envelope
  • 40% · Up to 40% installations
Conditions: 30% primary non-renewable energy savings target. Municipalities <5,000 inhabitants. NextGen rehabilitation funding exhausted in 2026 — waiting lists.

Andalucía — Plan Eco Vivienda

Active
Junta de Andalucía — Consejería de Fomento / Agencia Andaluza de la EnergíaGrant

Eligible works

External wall insulationRoof insulationWindow replacementAir-to-water heat pumpSolar thermalSolar water heaterBiomass boiler

Amounts

  • Lines 1-4: thermal envelope, thermal equipment, renewable energy, DHW · Lines 1-4: thermal envelope, thermal equipment, renewable energy, DHW
Conditions: 2025-2026 management via the Agencia Andaluza de la Energía. PREE 5000 Andalucía: execution deadline 30 Jun 2026.

Basque Country — EVE strategic plan 2025-2028

Active
Ente Vasco de la Energía (EVE)Grant

Eligible works

External wall insulationRoof insulationWindow replacementAir-to-water heat pumpSolar PVBattery storageComprehensive renovation

Amounts

  • 45% · SMEs — up to 45% self-consumption
  • 65% · SMEs — up to 65% storage
Conditions: Self-consumption aids open until September 2026 or exhaustion. Renove Edificios programme for residential energy renovation.

Valencia — IVACE Energy rehabilitation 2024-2026

Active
IVACE — Generalitat ValencianaGrant

Eligible works

Solar PVSolar thermalBattery storageAir-to-water heat pump

Amounts

  • 40% · cap €3,000 · Solar PV — 40% of cost, max €3,000/project
Conditions: Applications open 23 Jan 2025 to 27 Feb 2026 (or exhaustion). Combinable with autonomous IRPF deduction (IVACE certification required).

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